From 8a156921b9483d82693c7a9e426c629a941fcce1 Mon Sep 17 00:00:00 2001
From: Even Rouault <even.rouault@spatialys.com>
Date: Thu, 2 Dec 2021 17:18:13 +0100
Subject: Merge pull request #2966 from rouault/fix_2965

Cache result of proj_get_type() to help for performance of proj_factors() (fixes #2965)
---
 src/proj_internal.h | 3 +++
 1 file changed, 3 insertions(+)

(limited to 'src/proj_internal.h')

diff --git a/src/proj_internal.h b/src/proj_internal.h
index 6edb6aec..2b2fb959 100644
--- a/src/proj_internal.h
+++ b/src/proj_internal.h
@@ -573,6 +573,9 @@ struct PJconsts {
     mutable bool gridsNeededAsked = false;
     mutable std::vector<NS_PROJ::operation::GridDescription> gridsNeeded{};
 
+    // cache pj_get_type() result to help for repeated calls to proj_factors()
+    mutable PJ_TYPE type = PJ_TYPE_UNKNOWN;
+
     /*************************************************************************************
      proj_create_crs_to_crs() alternative coordinate operations
     **************************************************************************************/
-- 
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